Catholicity vs papism

Catholicity and papism both are nouns.

Word	Noun	Adjective	Verb	Adverb
Catholicity	Yes	No	No	No
papism	Yes	No	No	No

As nouns, papism is a hyponym of Catholicity; that is, papism is a word with a more specific, narrower meaning than Catholicity:

Other hyponyms of Catholicity include Roman Catholicism, Romanism, Eastern Catholicism.

Catholicity (noun)	papism (noun)
the beliefs and practices of a Catholic Church	offensive terms for the practices and rituals of the Roman Catholic Church
	the beliefs and practices of the Catholic Church based in Rome